EP2463147B1 - Siège de véhicule - Google Patents

Siège de véhicule Download PDF

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Publication number
EP2463147B1
EP2463147B1 EP10194060.9A EP10194060A EP2463147B1 EP 2463147 B1 EP2463147 B1 EP 2463147B1 EP 10194060 A EP10194060 A EP 10194060A EP 2463147 B1 EP2463147 B1 EP 2463147B1
Authority
EP
European Patent Office
Prior art keywords
end portion
pin
seat
seat cushion
forward end
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP10194060.9A
Other languages
German (de)
English (en)
Other versions
EP2463147A1 (fr
Inventor
Kenji Kanda
Masaaki Honda
Yosuke Karino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tachi S Co Ltd
Original Assignee
Tachi S Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tachi S Co Ltd filed Critical Tachi S Co Ltd
Priority to EP10194060.9A priority Critical patent/EP2463147B1/fr
Publication of EP2463147A1 publication Critical patent/EP2463147A1/fr
Application granted granted Critical
Publication of EP2463147B1 publication Critical patent/EP2463147B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/62—Thigh-rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/1605—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the cinematic
    • B60N2/161—Rods
    • B60N2/1615—Parallelogram-like structure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/1635—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable characterised by the drive mechanism
    • B60N2/165—Gear wheel driven mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/18—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
    • B60N2/1807—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other characterised by the cinematic
    • B60N2/1839—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other characterised by the cinematic pivoting about an axis located in an intermediate position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
    • B60N2/18—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
    • B60N2/185—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other characterised by the drive mechanism
    • B60N2/1864—Gear wheel driven mechanism

Definitions

  • the present invention relates to a vehicle seat, and in particular relates to a vehicle seat of the type provided with: a seat lifter mechanism (i.e. a seat height mechanism) for effecting adjustment in height of the seat; and a tilt mechanism for causing a forward end portion of seat cushion of the seat to tilt or incline adjustably in a vertical direction.
  • a seat lifter mechanism i.e. a seat height mechanism
  • a tilt mechanism for causing a forward end portion of seat cushion of the seat to tilt or incline adjustably in a vertical direction.
  • a vehicle seat so designed to enable a user to adjustingly raise and lower the seat by operation of a seat lifter mechanism provided in the seat, and also enable the user to adjustingly tilt or incline a forward end portion of seat cushion of the seat vertically by operation of a tilt mechanism provided in the seat.
  • the Japanese Laid-Open Patent Publication No. 2008-105542 (or JP 2008-1005542 A1 ) teaches this kind of seat.
  • the seat is equipped with a seat lifter mechanism by which a seat cushion of the seat may be raised and lowered, with the seat cushion itself being maintained in a substantially horizontal state.
  • the seat is equipped with a tilt mechanism by which a forward portion of the seat cushion may be tilted vertically, wherein such forward portion of seat cushion is provided with a tiltable frame or the so-called "tilt pan" therein.
  • the tilt mechanism comprises: a link member having a forward end pivotally connected to a forward portion of the afore-said tilt pan; a lead screw; a nut member threadedly engaged with the lead screw; and an electric motor operatively connected with the nut member.
  • the link member is at the rearward end thereof pivotally connected to a forward end of the lead screw. Operation of the motor causes rotation of the nut member which in turn causes translation of the lead screw, and the link member connected between the lead screw and tilt pan is thereby moved, so that the tilt pan may be adjustingly tilted or inclined in the vertical direction.
  • the seat lifter mechanism comprises; four links pivotally connected between the seat cushion and a floor side; a lead screw operatively connected with the rearward end portion of one of the four links; a nut member threadedly engaged with the lead screw; and an electric motor operatively connected with the nut member.
  • the motor Upon operation of the motor, the nut member is rotated to cause translation of the lead screw connected with one of the four links, thereby causing all the four links to move vertically, so that the seat cushion may be adjustingly raised and lowered.
  • an improved vehicle seat of the above-described type having a seat lifter mechanism and a tilt mechanism, which permits for reduction of parts associated with the seat lifter mechanism and tilt mechanism and also widening an space within the seat cushion of the seat.
  • a vehicle seat in accordance with the present invention is basically comprised of;
  • the seat cushion frame may be formed to have a first lateral frame member having a forward end portion; and a second lateral frame member having a forward end portion.
  • the tiltable frame may be pivotally connected between the forward end portion of first lateral frame member and the forward end portion of second lateral frame member, with such an arrangement that the tiltable frame overlies the forward end portions respectively of the first and second lateral frame members in an overhanging manner and be inclinable vertically relative to the seat cushion frame.
  • the shaft element is therefore formed to have: one end rotatably connected with the forward end portion of the first lateral frame member; and another end rotatably connected with the forward end portion of the second lateral frame member.
  • the pin may be fixed to the first lateral frame member so as to project horizontally therefrom, with the upper end portion of the link element being pivotally connected with that pin, while the pin passes through the arcuate hole of the substantially sector-shaped link element.
  • a preferred embodiment of vehicle seat generally designated by (S) in accordance with the present invention, which is provided with a seat lifter mechanism (LM) for adjustment in height of the seat and a tilt mechanism (TM) for causing a tiltable frame (2) of pan-type or the so-called “tilt pan” to be adjustably inclined vertically at the forward end portion of seat cushion of the seat (S).
  • tiltable frame (2) shall be referred to as "tilt pan”.
  • the seat (S) is basically comprised of a seat cushion frame (CF) and a seat back frame (BF) rotatably connected with the seat cushion frame (CF). Though not shown, it is to be understood that the seat cushion frame (CF) and seat back frame (BF) are each properly upholstered, using a foam padding and a trim cover assembly covering that foam padding, so that the seat cushion frame (CF) is normally upholstered to form a seat cushion, whereas the seat back frame (BF) is normally upholstered to form a seat back, in the present seat (S).
  • forward or forwardly refers to a forward side (F) facing forwardly of the seat (S)
  • rearward or “rearwardly” refers to a rearward side (B) facing rearwardly of the seat (S).
  • the seat back frame (BF) is shown to include a pair of lateral frame members (15) and (15).
  • the seat cushion frame (CF) is shown as including: a pair of left-side and right-side lateral frame members (3A) and (3B).
  • the two lateral frame members (15) of seat back frame (BF) are at the respective two lower end portions thereof rotatably connected with respective two rearward end portions of the two lateral frame members (3A) (3B) of seat cushion frame, thereby allowing the seat back frame (BF) to be inclined forwardly and rearwardly relative to the seat back frame (CF), as known in the art.
  • the seat lifter mechanism (LM) provided in the seat (S) includes: a left-side first front link (8A); a right-side second front link (8B); a left-side first rear link (9A); and a right-side second rear link (9B).
  • those front and rear links (8A, 8B, 9A and 9B) are arranged between the seat cushion (at CF) and seat slide device (SL) (or a floor of vehicle designated by FL) in a parallel linkage fashion, as found in the art, such that the two front links (8A) (8B) are maintained in a parallel relation with the respective two rear links (9B) (9B), whenever those all four links are pivotally articulated vertically in synchronized way.
  • operation of the seat lifter mechanism (LM) causes the seat cushion to move vertically, with a whole body thereof being maintained in a substantially horizontal state with respect to the slide rail device (SL) or floor (FL).
  • the left-side first rear link (9A) is at the upper end thereof pivotally connected with the rearwardly facing portion of the left-side lateral frame member (3A), whereas the right-side second rear link (9B) is at the upper end thereof pivotally connected with the forwardly facing portion of the right-side lateral frame member (3B).
  • a connecting rod (12) is extended between the first and second rear links (9A) (9B), such that one end of the connecting rod (12) is fixed to an upper end of the first rear link (9A), while the other end thereof is fixed to an upper end of the second rear link (9B), so that both first and second rear links (9A) (9B) are rotatively displaced synchronously relative to the respective two lower pivot points at the left- and right-side upper rails, as known in the art.
  • Designation (20) denotes a handle associated with the seat lifter mechanism (LM). While not shown, the handle (20) is operatively connected with the first rear link (9A) via known appropriate gears or transmission elements, so that, in brief, by operating the handle (20), all the front and rear links (8A, 8B, 9A and 9B) are rotatively displaced at the same time in vertical direction, to thereby cause the seat (S) to raise and lower as indicated by the arrow A. in Fig. 1 .
  • the seat slide device (SL) is used with the seat (S) to allow for adjustment in position of the seat (S) in forward and rearward directions.
  • the seat slide device (SL) itself may not be used, in which case, all lower end portions of the front and rear links (8A, 8B, 9A and 9B) may be directly or indirectly connected to the floor (FL) in an appropriate manner, using a suitable means.
  • the seat slide device (SL) typically comprises a pair of left-side upper and lower rails (1A) and (11A) and a pair of right-side upper and lower rails (1B) and (11B).
  • the two upper rails (1A) (11A) are slidably engaged with the respective two lower rails (1B) (11B) fixed on the floor (FL), so that the seat (S) on the upper rails (1A, 11A) is movable along the lower rails (1B, 11 B) in the forward and rearward directions.
  • the tilt pan (at 2) is so configured to overlie the upper wall of the forward end portion of seat cushion frame and overhang the forward vertical wall area and two vertical side wall areas of that particular forward end portion.
  • the illustrated tilt pan (2) is disposed forwardly of the left- and right-side lateral frame members (3A) (3B) in such a manner as to extend between and overlie the two forward end portions respectively of those two lateral frame members (3A) (3B), while overhanging both two vertical walls respectively of those particular two forward end portions, as can be seen from Figs. 1 to 4 .
  • This tilt pan (2) adapted for supportively receiving thigh portions of a seat occupant on the seat (S), is disposed forwardly of the seat cushion frame (CF) and tiltable or inclinable vertically relative to the seat cushion frame or seat cushion (at CF).
  • the tilt pan (2) is covered with the same upholstery that covers the seat cushion frame (CF), thus defining a forward tiltable region in the forward end portion of seat cushion.
  • the forward tiltable region of seat cushion, in which the tilt pan (2) exists may be inclined vertically as indicated by the arrow B in Fig. 1 through operation of the tilt mechanism (TM) that will be described later.
  • the seat occupant therefore can operate the tilt mechanism (TM) to adjustingly raise or lower his or her thigh portions to a desired level, with respect to the rearward stationary main portion of seat cushion upon which a buttocks portion of the seat occupant is rested.
  • the tilt pan (2) itself is formed from a metallic plate material into the illustrated configuration which has, defined therein, a substantially flat region (2A), a pair of raised lateral bolster regions (2B) and (2B), and a pair of left- and right-side vertical lateral wall regions (2C) and (2C) extending vertically and continuously from the two lateral bolster areas (2B), respectively, as can be seen from Figs. 2 to 4 .
  • a pair of left- and right-side connecting brackets (7A) and (7B) are fixedly attached to the reverse surface of forward end portion of the flat region (2A) of tilt pan (2) so as to be suspended therefrom and also situated near to the left- and right-side vertical lateral wall regions (2C) and (2C) of tilt pan (2), respectively.
  • the illustrated tilt mechanism (TM) is of a powered type having an electric motor as a drive source, which can be actuated and controlled by operation of a switch (not shown) provided on the seat (S).
  • the tilt mechanism (TM) is comprised of: a first actuator link (5) having a sector gear portion (5c) formed integrally therewith; a second actuator link (5'); a pinion (4A) meshed with the sector gear portion (5c); and an electric motor (M) provided with a gear case (4) (or reduction gear unit) in an integral manner.
  • the first actuator link (5) is disposed inwardly of the tilt pan (2) and the forward end portion of the left-side lateral frame member (3A), and so formed to constitute the so-called "sector link” having a sector gear portion (5c) integral therewith.
  • the first actuator link (5) has a rearward widened end portion (5E-1) of substantially sector shape which becomes divergent rearwardly from the central portion of that link (5).
  • the forward end portion (5E-2) of the first actuator link (5) is pivotally connected by a pin (5B) with the left-side connecting bracket (7A).
  • Designation (6) denotes a connecting shaft.
  • the connecting shaft (6) is extended between the two forward end portions respectively of the left- and right-side lateral frame members (3A) (3B) and rotatably connected therewith, and that further, the two distal end portions of the connecting shaft (5) extend through the respective two frame members (3A) (3B) and are rotatably attached to the left- and right-side vertical lateral wall regions (2C) and (2C) of the tilt pan (2), respectively.
  • the tilt pan (2) is free to rotate about the connecting rod (5), and therefore the central axis of the connecting shaft (5) is also the center of rotation of that tilt pan (2).
  • first actuator link (5) is at the central portion thereof fixed to the connecting shaft (5), so that, with rotation of that connecting shaft (6), the first actuator link (5) is simultaneously rotated about the central axis of that connecting shaft (6) which is therefore a center of rotation of the first actuator link (5).
  • first actuator link (5) Defined integrally in the previously stated rearward widened end portion (5E-1) of first actuator link (5) are an arcuate hole (5A) and the sector gear portion (5c). As shown, the sector gear portion (5c) is formed integrally in the arcuate periphery of the rearward widened end portion (5E-1) so as to extend along the circumference of a circle, the center of which is at the central axis of connecting shaft (6).
  • the arcuate hole (5A) is shown as being situated between the sector gear portion (5c) and the connecting shaft (6). This arcuate hole (5A) also extends along the circumference of a circle having its center at the central axis of connecting shaft (6).
  • the electric motor (M) is disposed inwardly of and near to the forward end portion of the left-side lateral frame member (3A), and the gear case (4) attached integrally to that motor (M) has a pinion (4A) meshed with the afore-said sector gear portion (5c) of first actuator link (5).
  • Designation (4B) denotes a second pin for supporting the rearward end portion (4E-2) of the gear case (4).
  • the second pin (4B) is at the base end thereof fixedly attached on the inward surface of the forward end portion of left-side lateral frame member (3A) so as to project inwardly of the seat cushion frame (CF).
  • the rearward end portion (4E-2) of gear case (4) is fixedly attached by the second pin (4B) to the inward surface of forward end portion of the left-side lateral frame member (3A).
  • Designation (10) denotes a first pin which is originally designed to support a forward end portion (4E-1) of the gear case (4), but made adaptable for use with other end portions of the constituent elements in common, as will be specified later.
  • first pin (10) associated with the gear case (4) serves as an element for common use with the following two end portions: the left-side first link's rearward end portion (5E-1) and left-side front link's upper end portion (8A-1). Namely, as seen in Fig.
  • the first pin (10) is situated at a point where all the afore-said two end portions (5E-1) and (8A-1) are collectively disposed so as to overlap each other, whereupon, in addition to the gear case's forward end portion (4E-1) being supported by the first pin (10), the upper end portion (8A-1) of front link (8A) is rotatably supported on and about the first pin (10), while the first pin (10) is also slidably engaged in the arcuate hole (5A) formed in the rearward widened end portion (5E-1) of first actuator link (5).
  • the first pin (10) per se is so formed to have, defined integrally in the columnar body thereof, the following localized regions; a first pin region (10A) about which the forward end portion (4E-1) of gear case (4) is attached; a second pin region (10B) larger in diameter than the first pin region (10A), the second pin region (10B) passing through the arcuate hole (5A); a spacer flange region (10C) interposed between the first actuator link's rearward end portion (5E-1) and the first front link's upper end portion (8E-1), the spacer flange region (10C) being largest in diameter; a third pin region (10D) passing through a hole (8Ah) formed in the first front link's upper end portion (8A-1); a base end region (10E-1) firmly attached to the left-side lateral frame member (3A); and a threaded end region (10E-2) with which a securing nut (20) is threadedly engaged.
  • the first pin (10) is at the base end region (10E-1) thereof fixedly attached on that inward surface of the forward end portion of left-side lateral frame member (3A) so as to project inwardly of the seat cushion frame (CF), and all the three end portions (5E-1), (8A-1) and (4E-1) mentioned above are retained between the first pin's base end region (10E-1) and securing nut (20) against lateral dislocation.
  • Fig. 3 illustrates the right-side lateral structure of the tilt mechanism (TM) as well as of the tilt pan (2).
  • the second actuator link (5') is substantially identical in shape to the aforementioned first link (5), except that no sector gear portion is defined in that second actuator link (5').
  • the forward end portion (5'E-2) of the second actuator link (5') is pivotally connected by a pin (5'B) with the right-side connecting bracket (7B), and the central portion of the second actuator link (5') is fixed on an about the right-side end portion of the connecting shaft (6) which is in turn rotatably attached to the inward surface of the forward end portion of the right-side lateral frame member (3B).
  • the connecting shaft (6) is horizontally extended between the left-side an right-side lateral frame members (3A) (3B). Since the connecting shaft (6) is at the left-side end portion thereof rotatably attached to the forward end portion of the left-side lateral frame member (3A) as previously stated, rotation of the connecting shaft (5) causes both first and second actuator links (5) (5') to rotate in synchronized way.
  • the right-side second front link (8B) is shown as being at the upper end portion (8B-1) thereof pivotally connected by a pin (19) with the inward surface of the forward end portion of the right-side lateral frame member (3B), while being at the lower end portion (8B-2) thereof pivotally connected by a pin (18) with the upper rail (1B). It is seen that the rearward widened end portion (5'E-1) of the second actuator link (5') is disposed adjacent to the upper end portion (8B-1) of the second front link (8B), such that those two end portions (5'E-1) (8B-1) overlap each other.
  • one first pin (10), originally designed to support the reduction gear box's forward end portion (4E-1), is made adaptable for use in common with the other two end portions (5E-1) and (8A-1) stated above, and thus the first pin (10) constitutes a common support point by which all other two end portions (5E-1) and (8A-1) stated above are commonly and collectively supported at substantially one and the same location.
  • those two end portions (5E-1) and (8A-1) are so arranged on that first pin (10) as to not only overlap each another, but also be disposed independently of each another, and further the pin (10) serves as a pivot point for the upper end portion of the first front link (8A) in addition to a support point for the gear case's forward end portion (4E-1).
  • no other connecting element than the first pin (10) is required, and such single first pin (10) suffices for collectively arranging all the three end portions (4E-1, 5E-1 and 8A-1) at one point. Therefore, the number of required parts and elements is greatly reduced, thereby simplifying the structures of the tilt mechanism (TM), seat lifter mechanisms (LM) and seat cushion frame (CF).
  • all the three end portions (4E-1), (5E-1) and (8A-1) mentioned above are disposed adjacent to the left-side frame member (3A), hence widening the inward space of the seat cushion frame (CF).

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Claims (4)

  1. Siège de véhicule (S) en combinaison avec un plancher de véhicule, comprenant :
    un cadre de coussin de siège (CF) ayant une partie d'extrémité avant faisant face vers l'avant du siège de véhicule ;
    un cadre inclinable (2) relié en pivotement à ladite partie d'extrémité avant du cadre de coussin de siège, ledit cadre inclinable étant agencé de manière à recouvrir ladite partie d'extrémité avant en porte-à-faux et à être inclinable verticalement par rapport audit cadre de coussin de siège ;
    un élément de liaison (8A) ayant : une partie d'extrémité supérieure (8A-1) ; et une partie d'extrémité inférieure (8A-2) reliée en pivotement audit plancher de véhicule ;
    un élément d'arbre (6) prévu en rotation sur ledit cadre de coussin de siège ;
    un élément de liaison essentiellement en forme de secteur (5) relié audit élément d'arbre, ledit élément de liaison essentiellement en forme de secteur comportant : une première partie d'extrémité (5E-2) reliée en pivotement audit cadre inclinable ; et une deuxième partie d'extrémité (5E-1) ayant : une partie de secteur denté (5c) formée avec celle-ci ; et un trou arqué (5A) formé dans celle-ci de manière à s'étendre le long d'une circonférence d'un cercle ayant un centre au niveau d'un axe central dudit élément d'arbre ;
    un moteur (M) muni d'un carter d'engrenage (4) en un seul tenant, ledit carter d'engrenage ayant un pignon (4A) qui est en prise d'engrènement avec ladite partie de secteur denté ; et
    une broche (10) avec laquelle ledit carter d'engrenage est relié de manière supportée, ladite broche étant fermement fixée audit cadre de coussin de siège de manière à faire saillie horizontalement à partir de celui-ci,
    dans lequel ladite partie d'extrémité supérieure dudit élément de liaison et ladite deuxième partie d'extrémité dudit élément de liaison essentiellement en forme de secteur sont collectivement disposées au niveau de ladite broche de manière à se chevaucher, où ladite partie d'extrémité supérieure de l'élément de liaison est reliée en pivotement à ladite broche, et où ladite broche passe à travers ledit trou arqué formé dans ladite deuxième partie d'extrémité de l'élément de liaison essentiellement en forme de secteur.
  2. Siège de véhicule (S) tel que revendiqué dans la revendication 1, qui comporte un dispositif de rail coulissant (SL), comprenant un élément de rail inférieur (11A) fixé sur ledit plancher de véhicule et un élément de rail supérieur (1A) engagé en coulissement avec ledit élément de rail inférieur, où ladite partie d'extrémité inférieure (8A-2) dudit élément de liaison (8A) est reliée en pivotement audit élément de rail supérieur.
  3. Siège de véhicule (S) tel que revendiqué dans la revendication 1, dans lequel ledit cadre de coussin de siège (CF) comporte : un premier élément de cadre latéral (3A) ayant une partie d'extrémité avant faisant face vers l'avant du siège de véhicule ; et un deuxième élément de cadre latéral (3B) ayant une partie d'extrémité avant faisant face vers l'avant du siège de véhicule, où lesdites parties d'extrémité avant respectivement desdits premier et deuxième éléments de cadre latéraux correspondent à ladite partie d'extrémité avant dudit cadre de coussin de siège, où ledit cadre inclinable (2) est reliée en pivotement entre ladite partie d'extrémité avant dudit premier élément de cadre latéral et ladite partie d'extrémité avant dudit deuxième élément de cadre latéral, où ledit cadre inclinable est agencé de manière à recouvrir lesdites parties d'extrémité avant respectivement desdits premier et deuxième éléments de cadre latéraux en porte-à-faux et à être inclinable verticalement par rapport audit cadre de coussin de siège, où ledit élément d'arbre (6) a : une extrémité reliée en rotation à ladite partie d'extrémité avant dudit premier élément de cadre latéral ; et une autre extrémité reliée en rotation à ladite partie d'extrémité avant dudit deuxième élément de cadre latéral, où ladite broche (10) est fixée audit premier élément de cadre latéral de manière à faire saillie horizontalement à partir de celui-ci, où ladite partie d'extrémité supérieure (8A-1) dudit élément de liaison (8A) est reliée en pivotement à ladite broche, et où ladite broche passe à travers ledit trou arqué (5A) dudit élément de liaison essentiellement en forme de secteur (5).
  4. Siège de véhicule (S) tel que revendiqué dans la revendication 1, dans lequel ladite broche (10) est formée de manière à avoir une première zone de broche (10A) avec laquelle ledit carter d'engrenage (4) est relié de manière supportée ; une deuxième zone de broche (10B) plus grande en diamètre que ladite première zone de broche, ladite deuxième zone de broche passant à travers ledit trou arqué (5A) ; une troisième zone de broche (10D) avec laquelle ladite partie d'extrémité supérieure (8A-1) dudit élément de liaison (8A) est reliée en pivotement ; une zone de bride (10C) définie entre lesdites deuxième et troisième zones de broche de manière à être interposée entre ladite partie d'extrémité supérieure dudit élément de liaison et ladite deuxième partie d'extrémité (5E-1) dudit élément de liaison essentiellement en forme de secteur (5) ; et une zone d'extrémité de base (10E-1) fermement fixée audit cadre de coussin de siège (CF).
EP10194060.9A 2010-12-07 2010-12-07 Siège de véhicule Not-in-force EP2463147B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10194060.9A EP2463147B1 (fr) 2010-12-07 2010-12-07 Siège de véhicule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10194060.9A EP2463147B1 (fr) 2010-12-07 2010-12-07 Siège de véhicule

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EP2463147A1 EP2463147A1 (fr) 2012-06-13
EP2463147B1 true EP2463147B1 (fr) 2013-11-20

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JP6177722B2 (ja) * 2014-04-25 2017-08-09 トヨタ紡織株式会社 乗物用パワーシートのギヤボックス取付け構造
DE102015216054A1 (de) * 2015-08-21 2017-02-23 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg Verstelleinrichtung für einen Fahrzeugsitz
JP7225812B2 (ja) * 2019-01-16 2023-02-21 トヨタ紡織株式会社 乗物用シート

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JP2008105542A (ja) 2006-10-25 2008-05-08 Shiroki Corp 車両用パワーシートの駆動機構
JP5082789B2 (ja) * 2007-11-16 2012-11-28 アイシン精機株式会社 車両用シート装置

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